E.300SerSup1�:�List of possible supplementary telephone services which may be offered to subscribers

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E.300SerSup1�:�List of possible supplementary telephone services which may be offered to subscribers �

Recommendation E.300SerSup1

In force components
Number	Title	Status
E.300 Series Supplement 1 (11/88) �	List of possible supplementary telephone services which may be offered to subscribers �	In force

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